chapter 7- Bethany

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Across
  1. 4. are materials that are neither good conductors nor good insulators; their resistance can be varied.
  2. 6. Atom gaining one or more electrons ⇒ _________ ion
  3. 8. are materials that have tightly bound electrons.
  4. 9. Atom losing one or more electrons ⇒ __________ ion
Down
  1. 1. opposite charges ________
  2. 2. are materials that allow charged particles to pass through them easily.
  3. 3. An _____ circuit is one in which the pathway of the electrical current is broken.
  4. 4. are certain metals that acquire infinite conductivity (zero resistance) at temperatures near absolute zero.
  5. 5. like charges _______
  6. 7. A ______ circuit is one in which the pathway of the electrical current is complete and unbroken.